Combine oil, sugar, eggs and pecans in a large bowl. Mix well. Add oatmeal, baking powder and milk. Pour into a lightly greased 13x9x2-inch pan. Sprinkle lightly with nutmeg and cinnamon. Bake 350? for 30 minutes. Cut into squares, serve hot or cold, with milk or fruit. YIELD: 8 to 10 servings.